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📄 fav_edit.jsp

📁 这是书上<java毕业设计与项目实践>的第8章:基于JSP的网络百宝箱的代码,供大家参考
💻 JSP
字号:
<%@ page language="java" contentType="text/html; charset=GBK" pageEncoding="GB18030" import="java.sql.*,java.util.*,java.io.*"%>
<%@ include file="config.ini"%>
<%@ include file="conn.jsp"%>
<%@ include file="readlogin.jsp"%>
<%
String id=request.getParameter("id");
if(id==null)
{
         out.print("<script>");
         out.print("alert('id错误');");
         out.print("location.href='fav.jsp';");
         out.print("</script>");
}
%>
<%
String action=request.getParameter("action");
if(action==null) {action="";}
if(action.equals("save"))
  {
       String title=codeToString(request.getParameter("title"));
       String urlstr=codeToString(request.getParameter("urlstr"));
       String sort=codeToString(request.getParameter("sort"));
    try
      {
         sqlstr="update [fav] set [sort]='"+sort+"',[title]='"+title+"',[urlstr]='"+urlstr+"' where id="+id;
         iCanDb.doUpdate(sqlstr);
         out.print("<script>");
         out.print("alert('修改成功!');");
         out.print("location.href='fav.jsp';");
         out.print("</script>");
      }
    catch(Exception e)
      {
        out.print("<script>");
        out.print("alert('数据库错误!');");
        out.print("location.href='fav.jsp';");
        out.print("</script>");
      }
  }
try
 {
   sqlstr="select * from fav where id="+id;
   rs=iCanDb.doSelect(sqlstr);
   if(rs.next())
     {
       String sort=rs.getString("sort");
       String title=rs.getString("title");
       String urlstr=rs.getString("urlstr");
%>
<html>
<head>
<%@ include file="head.jsp"%>
</head>
<script language="javascript">
 function on_submit()
 {//验证数据的合法性
  if (form1.title.value == "")
			 {
			  alert("标题不能为空");
			  form1.title.focus();
			  return false;
			 }
  if (form1.urlstr.value == "")
			 {
			  alert("网址不能为空");
			  form1.urlstr.focus();
			  return false;
			 }
  if (form1.sort.value == "")
			 {
			  alert("分类不能为空");
			  form1.sort.focus();
			  return false;
			 }
 }
</script>

<body>
<center>
<table border="0" width="768" id="table1" cellspacing="0" cellpadding="0">
	<tr>
	<%@ include file="top.jsp"%>
	</tr>
	<tr>
		<td width="90" valign="top">
	<%@ include file="menu.jsp"%>		</td>
		<td width="588" valign="top">
		<table border="0" width="100%" id="table3" cellspacing="0" cellpadding="0">
			<tr>
				<td>
				<table border="1" width="100%" id="table4" bordercolorlight="#0A9EE4" cellspacing="0" cellpadding="5" bordercolordark="#0A9EE4"  height=300>
					<tr>
						<td valign="top">
						<table border="0" width="100%" id="table5" cellspacing="0" cellpadding="0">
							<tr>
								<td>
								<table border="0" width="100%" id="table6" cellspacing="0" cellpadding="0">
									<tr>
										<td valign="bottom" width="50%">
										</td>
										<td width="50%">
										<img src="images/n-fav.jpg" align="right" width="230" height="70"></td>
									</tr>
								</table>
								</td>
							</tr>
							<tr>
								<td><hr noshade color="#0A9EE4" size="1"></td>
							</tr>
							<tr>
								<td>
								<form method="POST" action="fav_edit.jsp?action=save&id=<%=id%>" target=_top name="form1" onsubmit="return on_submit()">
								<table border="0" width="574" id="table7" cellspacing="0" cellpadding="5">
									<tr>
										<td width="116" height="40">
										<p align="right">
										<span style="font-size: 9pt">&nbsp;&nbsp;&nbsp; 
										收藏标题:</span></td>
										<td width="438" height="40">
										<span style="font-size: 9pt">
										<input type="text" name="title" size="29" style="border: 1px solid #0A9EE4" value="<%=title%>"></span></td>
									</tr>
									<tr>
										<td width="116" height="40">
										<p align="right">
										<span style="font-size: 9pt">分类:</span></td>
										<td width="438" height="40">
										<span style="font-size: 9pt"><select size="1" name="sort" style="border: 1px solid #0A9EE4">
										<option selected value="网站" <%if(sort.trim().equals("网站")) {out.print("selected");}%>>网站
										</option>
										<option value="图片" <%if(sort.trim().equals("网站")) {out.print("selected");}%>>网站</option>
										<option value="音乐" <%if(sort.trim().equals("音乐")) {out.print("selected");}%>>音乐</option>
										<option value="视频" <%if(sort.trim().equals("视频")) {out.print("selected");}%>>视频</option>
										<option value="Flash" <%if(sort.trim().equals("Flash")) {out.print("selected");}%>>Flash</option>
										<option value="其他" <%if(sort.trim().equals("其他")) {out.print("selected");}%>>其他</option>
										</select></span></td>
									</tr>
									<tr>
										<td width="116" height="40">
										<p align="right">
										<span style="font-size: 9pt">URL:</span></td>
										<td width="438" height="40">
										<span style="font-size: 9pt">
										<input type="text" name="urlstr" size="49" style="border: 1px solid #0A9EE4" value="<%=urlstr%>"></span></td>
									</tr>
									<tr>
										<td width="116"> </td>
										<td width="438"> </td>
									</tr>
									<tr>
										<td width="574" colspan="2">
										<p align="center"><input type="submit" value="提交" name="B1" style="border: 1px solid #156FC7">&nbsp;&nbsp;&nbsp;
						<input type="button" value="返回" name="B2" style="border: 1px solid #156FC7" onclick="javascript:location.href='fav.jsp';"></td>
									</tr>
								</table></form>
								</td>
							</tr>
							<tr>
								<td> </td>
							</tr>
						</table>
						</td>
					</tr>
				</table>
				</td>
			</tr>
		</table>
		</td>
		<td width="90"> </td>
	</tr>
	<tr>
		<td width="90" valign="top">
	 </td>
		<td width="588" valign="top">
<%@ include file="copyright.jsp"%>
		</td>
		<td width="90"> </td>
	</tr>
</table>
<p>
</center>
</p>
</body>

</html>
<%
   }
   else
   {
         out.print("<script>");
         out.print("alert('id错误!');");
         out.print("location.href='fav.jsp';");
         out.print("</script>");
   }
}
catch(Exception e)
{
         out.print("<script>");
         out.print("alert('数据库错误!');");
         out.print("location.href='fav.jsp';");
         out.print("</script>");
}
%>

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